Measuring fund clientele by investors’ revealed usage of different asset pricing models, we show that funds with more CAPM investors perform better, all else equal. This predictability is not because the CAPM-alpha predicts future fund performance but because it reflects investor...

We study the information content of the mutual-fund investor mix at the fund level. Building on the fund-flow determinant literature, we develop a method to attribute the proportion of fund net-in-flow explained by a fund's fundamental characteristics and past performance as smart and dumb money...

We argue that arbitrageurs will strategically limit their initial investment in an arbitrage opportunity in anticipation of further mispricing caused by the deepening of noise traders' misperceptions. Such ‘noise momentum' is an important determinant of the overall arbitrage process. We design...

Extending Shleifer and Vishny (1997), we show that arbitrageurs will strategically limit their initial investment in an arbitrage opportunity in anticipation of further mispricing caused by the deepening of noise traders' misperceptions. Such ‘noise momentum' is an important determinant of the...

Most existing text-based sentiment measures in finance are lexicon-based which are effectively based on word counts of positive and negative sentiment dictionaries, and naturally lose most information. We measure news sentiment using BERT, a state-of-the-art large language model, which reads and...

Results from a large sample of individual Chinese investors demonstrate that they were more likely to trade stocks for short-term speculation after experiencing trauma such as natural disasters, serious illness, or death in their immediate family. They exhibited higher impulsivity, a greater...